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    <title>中国天气网哈哈哈哈哈哈</title>
    <link rel="stylesheet" href="demo-3.css" />
    <style>
      .time1111 {
        color: #888;
        text-align: center;
        font-size: 13px;
      }

      /* .div1 .aa {
        color: red;
      } */

      /* .div1 a .div2 {
        color: red;
      } */

      .div1 .aa div {
        color: red;
      }

      /* .div1 .aa .div2 {
        color: red;
      } */

      /* .div1 a .div2 {
        color: red;
      } */

      /* .div1 .div2 {
        color: red;
      } */

      .search-input {
        color: #666;
        width: 200px;
        height: 30px;
      }

      .pic {
        text-align: center;
      }

      .time1111 > input {
        color: red;
      }

      .nav a {
        color: red;
      }

      /* .nav ul li a {
        color: red;
      } */

      .nav a:hover {
        color: blue;
      }

      .hot > a {
        color: red;
      }
    </style>
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  <body>
    <h1>北方高温明日达鼎盛 京津冀多地地表温度将超60℃</h1>

    <div class="time1111">
      <!-- 2019-07-03 16:31:47 来源: <a href="#">中国天气网</a> &nbsp;&nbsp; -->
      <!-- <input type="text" placeholder="请输入查询条件..." class="search-input" /> -->
      <button style="font-weight: 700">搜索0</button>
      <input type="submit" value="搜索1" />
      <input type="submit" value="搜索2" />
      <input type="submit" value="搜索3" />

      <button style="font-weight: 700">搜索00<input type="submit" value="搜索5" /></button>
      <input type="submit" value="搜索4" />
    </div>
    <hr />

    <div class="nav">
      <ul>
        <li><a href="#">百度</a></li>
        <li><a href="#">百度</a></li>
      </ul>
    </div>

    <div class="hot">
      <a href="#">大肘子</a>
      <ul>
        <li><a href="#">猪头</a></li>
        <li><a href="#">猪尾巴</a></li>
        <li><a href="#">猪猪侠</a></li>
      </ul>
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    <div class="div1">
      <a href="#" class="aa">
        <div class="div2">哈哈哈哈哈哈</div>
      </a>
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    <div class="pic"><img src="/images/pic.jpeg" alt="图片" width="50%" /></div>

    <footer style="color: grey">本文来源：中国天气网 责任编辑：刘京_NO5631</footer>
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